Career
He was awarded the Master of Sport of the Union of the Soviet Socialist Republics, International Class title in 1972. Mikaelian started gymnastics in 1960 under the direction of the honored coach of the Armenian Soviet Socialist Republic, Leonid Zakharyan. During that time, Mikaelian competed at the 1972 Summer Olympics in Munich.
In 1976, he completed his career.
Mikaelian later engaged in coaching. From 1993-1994, he was the head coach of the Armenian national gymnastics team